A rectangle has vértices (-1, 1) (-4, 1) (-1, 3) and (-4 , 3) if rectangle is reflected over the y axis what algebraic rule can be used to find each of the new vertices

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4